To prevent that from happening, American Secretary of State John Hay proposed what became known as the "Open Door" policy.

VOA: special.2010.07.29

The libraries. There are, the library nearby, John Hay's library has a human bound book,

图书馆。有，附近的图书馆，约翰·海伊图书馆有一本人皮装订的书，

布朗的宿舍公寓 - SpeakingMax英语口语达人